#313AC5#313AC5

#313AC5 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.4% C 0.211 H 271.3°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#313AC5
RGB	rgb(49, 58, 197)
HSL	hsl(236, 60%, 48%)
HSV	hsv(236, 75%, 77%)
CMYK	cmyk(75.1%, 70.6%, 0%, 22.7%)
CIE-LAB	lab(33.37, 43.85, -72.82)
CIE-LCH	lch(33.37, 85.01, 301.06°)
OKLab	oklab(44.38% 0.0047 -0.2108)
OKLCH	oklch(44.38% 0.211 271.3)
XYZ	xyz(12.8543, 7.7089, 53.6230)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313AC5 #C5BC31

analogous

#3184C5 #313AC5 #7231C5

triadic

#313AC5 #C5313A #3AC531

tetradic

#313AC5 #C53184 #C5BC31 #31C572

square

#313AC5 #C53184 #C5BC31 #31C572

split-complementary

#313AC5 #C57231 #84C531

monochromatic

#191D63 #252C94 #313AC5 #5D64D7 #8E93E3

Accessibility & contrast

On white

8.26

#313AC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#313AC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313AC5

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313AC5	#FFFFFF	#000000	##FFFFFF
##313AC5	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C9

Deuteranopia (green-blind)

#0047C2

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #313ac5;
/* rgb */ color: rgb(49, 58, 197);
/* oklch */ color: oklch(44.4% 0.211 271.3);

Tailwind

colors: {
  custom: {
    50: '#8071d8',
    500: '#313ac5',
    950: '#000000',
  },
}

SCSS

$custom: #313ac5;
$custom-light: #8071d8;
$custom-dark: #000000;

JSON

{
  "hex": "#313ac5",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 197
  },
  "hsl": {
    "h": 236.351,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44377,
    "c": 0.21082,
    "h": 271.3
  },
  "luminance": 0.0771
}

Semantic roles & 50–950 ramp

primary

#313AC5

secondary

#CDC985

accent

#DA44E3

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #313AC5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →